Using FC(F)(F)CI, c1nc2[nH]ncc2c(NC2CCOCC2)c1C1=NOC2(CCC2)C1 to produce FC(F)(F)Cn1ncc2c(NC3CCOCC3)c(C3=NOC4(CCC4)C3)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.