Using O=C1c2cc(Br)cc(NCCO)c2C(=O)c2cc(Br)cc(NCCO)c21, [S-]c1ccccc1 to produce O=C1c2cc(Sc3ccccc3)cc(NCCO)c2C(=O)c2cc(Sc3ccccc3)cc(NCCO)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.