Using O=C(Cl)CCl, CCC(Cc1c(I)cc(I)c(N)c1I)C(=O)O to produce CCC(Cc1c(I)cc(I)c(NC(=O)CCl)c1I)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.