Using COC(=O)c1cc(C(=O)c2c(C)c(OCc3ccccc3)c3ccccn23)ccc1N to produce COC(=O)c1cc(C(=O)c2c(C)c(O)c3ccccn23)ccc1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.