Using COC(=O)c1cc(Nc2ccccc2I)c(Nc2ccccc2I)cc1C(=O)OC, N to produce O=C1NC(=O)c2cc(Nc3ccccc3I)c(Nc3ccccc3I)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.