Using COc1ccc(Cn2c(-c3ccccc3)nc(Cl)c2CC(=O)O)cc1C to produce Cc1cc(Cn2c(-c3ccccc3)nc(Cl)c2CC(=O)O)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.