Using CCOC(=O)CBr, OC[C@@H]1CSC(c2cc3cc(F)cc(NC4CCCC4)c3[nH]2)=N1 to produce CCOC(=O)COC[C@@H]1CSC(c2cc3cc(F)cc(NC4CCCC4)c3[nH]2)=N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.