Using COc1ccc2nc(-c3ccc(C(=O)O)cc3Cl)ccc2c1 to produce O=C(O)c1ccc(-c2ccc3cc(O)ccc3n2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.