Using O=C(O)CCc1c[nH]c2c1C(=O)CCC2, O=C(n1ccnc1)n1ccnc1 to produce CN(C)C(=O)CCc1c[nH]c2c1C(=O)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.