Using c1c[nH]cn1, COc1cc(OC)c2c(=O)[nH]c(-c3cc(C)c(OCCBr)c(C)c3)nc2c1 to produce COc1cc(OC)c2c(=O)[nH]c(-c3cc(C)c(OCCn4ccnc4)c(C)c3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.