Using CSC(=N)NC(=O)c1nc(Cl)c(N)nc1N, NCCCCCCCCCCCC(=O)O to produce NC(=NC(=O)c1nc(Cl)c(N)nc1N)NCCCCCCCCCCCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.