Using COc1ccc(CC(=O)O)cc1, CC(C)(C)OC(=O)N1CC2(CCNCC2)C1 to produce COc1ccc(CC(=O)N2CCC3(CC2)CN(C(=O)OC(C)(C)C)C3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.