Using CCOC(=O)N1CCN(c2ccc(NC(=O)c3ccccc3I)cc2)CC1 to produce O=C(Nc1ccc(N2CCNCC2)cc1)c1ccccc1I, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.