Using C=Cc1c2c(c(C)c(C)c1N1CCN(c3ccc(OC)cc3)CC1)OC(C)(C)C2=O to produce CCc1c2c(c(C)c(C)c1N1CCN(c3ccc(OC)cc3)CC1)OC(C)(C)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.