Using CC(=O)OCC12CC(C(=O)OCc3ccccc3)CC(=O)C1CC1(CCN(CN3C=CN=CC3)CC1)O2 to produce O=C(OCc1ccccc1)C1CC(=O)C2CC3(CCN(CN4C=CN=CC4)CC3)OC2(CO)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.