Using COC(=O)c1ccc(C(=O)NCc2ccc(C(=O)O)cc2)cc1, CC(C)(C)OC(=O)NN to produce COC(=O)c1ccc(C(=O)NCc2ccc(C(=O)NNC(=O)OC(C)(C)C)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.