Using Nc1ncnc2[nH]nc(I)c12, O=c1oc(CBr)c(-c2ccccc2)c2ccccc12 to produce Nc1ncnc2c1c(I)nn2Cc1oc(=O)c2ccccc2c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.