Using CCOC(=O)c1c(-c2ccccc2Cl)c2cc(Cl)ccc2n(C)c1=O to produce Cn1c(=O)c(C(=O)O)c(-c2ccccc2Cl)c2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.