Using C=O, COc1ccc2c(c1OC)CC[C@@H]1CNC[C@@H]21 to produce COc1ccc2c(c1OC)CC[C@@H]1CN(C)C[C@@H]21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.