Using CN(C)C=O, CCCCn1nc(C(=O)O)cc1CCS(=O)(=O)CCC to produce CCCCn1nc(C(N)=O)cc1CCS(=O)(=O)CCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.