Using C=C(OCC)[Sn](CCCC)(CCCC)CCCC, OC(c1cc2cccnc2cc1F)c1cnc2ccc(Cl)nn12 to produce CC(=O)c1ccc2ncc(C(O)c3cc4cccnc4cc3F)n2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.