Using O=C1CCSC(c2ccccc2)C1, CCOC(=O)c1cc(Br)cc2cc[nH]c12 to produce CCOC(=O)c1cc(Br)cc2c(C3CCSC(c4ccccc4)C3)c[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.