Using CC(=O)O, Cc1c(-c2ccnc3cc(Cl)ccc23)c2cc(Cl)ccc2n1CC(=O)O to produce CC(=O)OCc1c(-c2ccnc3cc(Cl)ccc23)c2cc(Cl)ccc2n1CC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.