Using CCOC(=O)c1ccn(Cc2ccccc2)c(=O)c1C(=O)OC to produce CCOC(=O)c1ccn(Cc2ccccc2)c(=O)c1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.