Using CCCN(CCC)CCCCNC(=O)c1cn2cc(C#N)ccc2n1 to produce CCCN(CCC)CCCCNC(=O)c1cn2c(n1)CCC(CN)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.