Using Cl, COc1cc2c(c(N)c1OC)c(=O)c(C(=O)O)cn2C1CC1 to produce COc1cc2c(c(Cl)c1O)c(=O)c(C(=O)O)cn2C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.