Using O=C(c1ccc2[nH]c(=O)oc(=O)c2c1)c1nc(Br)c2ccccn12, CI to produce Cn1c(=O)oc(=O)c2cc(C(=O)c3nc(Br)c4ccccn34)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.