Using CCOC(N)=NO, O=C(O)C1CC(c2ccc(CC(F)(F)F)c(F)c2)CN(C(=O)N2CCSCC2)C1 to produce CCOc1noc(C2CC(c3ccc(CC(F)(F)F)c(F)c3)CN(C(=O)N3CCSCC3)C2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.