Using CN(Cc1ccccc1)C(C)(C)CCC(C(N)=O)(c1ccccc1)c1ccccc1 to produce CNC(C)(C)CCC(C(N)=O)(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.