Using O=C(CN1CCNCCNCCNCC1)Nc1c(I)cc(I)c(C(=O)O)c1I, O=C(O)CBr to produce O=C(O)CN1CCN(CC(=O)O)CCN(CC(=O)Nc2c(I)cc(I)c(C(=O)O)c2I)CCN(CC(=O)O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.