Using CSC(=N)c1cccs1, Nc1ccc2c(c1)CCC(=O)N2CCCN1CCCC1 to produce N=C(Nc1ccc2c(c1)CCC(=O)N2CCCN1CCCC1)c1cccs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.