Using CCOC(=O)c1ncc2c(ccn2Cc2ccc(F)cc2)c1OS(=O)(=O)C(F)(F)F, CCCC[Sn](C=COCC)(CCCC)CCCC to produce CCO/C=C/c1c(C(=O)OCC)ncc2c1ccn2Cc1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.