Using CCCC(=NOCC)C1=C(O)CC(c2c(OC)nc(C)c3c2CCCC3O)CC1=O to produce CCCC(=NOCC)C1=C(O)CC(c2c(OC)nc(C)c3c2CCCC3=O)CC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.