Using O=c1nc(N2CC=C(c3ccc(F)cc3)C(O)C2)ncn1Cc1ccc(C(F)(F)F)s1 to produce O=C1CN(c2ncn(Cc3ccc(C(F)(F)F)s3)c(=O)n2)CC=C1c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.