Using CN(C)C=O, CCN(CC)CCN1CCc2[nH]cc(C)c2C1=O to produce CCN(CC)CCN1CCc2[nH]c(C=O)c(C)c2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.