Using CCOC(=O)CBr, S=c1[nH]c2ccc(Cc3ccccc3)cc2[nH]1 to produce CCOC(C)=[SH]c1nc2ccc(Cc3ccccc3)cc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.