Using COc1cc(N(c2ccc(CO)cc2)c2ccc(CO)cc2)ccc1CO to produce COc1cc(N(c2ccc(C=O)cc2)c2ccc(C=O)cc2)ccc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.