Using COc1ccc2c(c1)C(C)=CC(C)(C)N2C(C)=O to produce COc1ccc2c(c1)C(C)(c1ccccc1)CC(C)(C)N2C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.