Using COc1cc(C(=O)N2CCC3(CC2)CC(=O)c2cc(C(=O)O)ccc2O3)nc2c(OC)cccc12, CC(C)(C)OC(=O)NN to produce COc1cc(C(=O)N2CCC3(CC2)CC(=O)c2cc(C(=O)NNC(=O)OC(C)(C)C)ccc2O3)nc2c(OC)cccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.