Using CCC1(CC)c2c(ccc(OC)c2OC)C(C)=C2c3cc4c(cc3CCN21)OCO4 to produce CCC1(CC)c2c(ccc(OC)c2OC)C(C)C2c3cc4c(cc3CCN21)OCO4, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.