Using COc1cc(C(O)c2c(OCc3ccccc3)c(=O)ccn2CCO)ccc1OCc1ccccc1 to produce COc1cc(C(O)c2c(O)c(=O)ccn2CCO)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.