Using O=C1NC(=O)c2ccccc21, OCCOc1ccnc(Oc2cc(Cl)c(Cl)cc2I)c1 to produce O=C1c2ccccc2C(=O)N1CCOc1ccnc(Oc2cc(Cl)c(Cl)cc2I)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.