Using CCCn1c(N)c(N)c(=O)n(CCC)c1=O, O=C(NC1(C(=O)O)CCCC1)C(F)(F)F to produce CCCn1c(N)c(NC(=O)C2(NC(=O)C(F)(F)F)CCCC2)c(=O)n(CCC)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.