Using CCOC(=O)c1cn(-c2cc(F)c(N3CCSCC3)c(F)c2)nn1 to produce OCc1cn(-c2cc(F)c(N3CCSCC3)c(F)c2)nn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.