Using C=C[Sn](CCCC)(CCCC)CCCC, COC(=O)c1ncccc1OS(=O)(=O)C(F)(F)F to produce C=Cc1cccnc1C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.