Using O=c1ccn(CCO)c(C(O)c2ccc(Cl)cc2)c1OCc1ccccc1 to produce O=c1ccn2c(c1O)C(c1ccc(Cl)cc1)OCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.