Using O=C1c2ccsc2C(=O)c2ccsc21, Cc1cccc([Mg]Br)c1 to produce Cc1cccc(-c2c3ccsc3c(-c3cccc(C)c3)c3ccsc23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.