Using CCCCCC, CCNC(=O)c1cnc(N2CCN(Cc3ccccc3)CC2)nc1C to produce CCn1ccc2nc(N3CCN(Cc4ccccc4)CC3)ncc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.