Using COc1cc2c(SC)ncnc2cc1OS(=O)(=O)C(F)(F)F, CCCC[Sn](/C=C/CO)(CCCC)CCCC to produce COc1cc2c(SC)ncnc2cc1C=CCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.