Using BrCc1ccccc1, COC(=O)c1sc(-c2c(C)nn3ccccc23)nc1O to produce COC(=O)c1sc(-c2c(C)nn3ccccc23)nc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.