Using CCOC(=O)CNc1ccc(C(=O)c2c(C)c(OC)c3ccccn23)cc1OC to produce COc1cc(C(=O)c2c(C)c(OC)c3ccccn23)ccc1NCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.