Using CI, O=c1c(I)c(-c2ccccc2)oc2c1ccc1cn[nH]c12 to produce Cn1cc2ccc3c(=O)c(I)c(-c4ccccc4)oc3c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.