Using O=C=Nc1c(Cl)cccc1Cl, Nc1ccc(I)cc1C(=O)O to produce O=C(Nc1ccc(I)cc1C(=O)O)Nc1c(Cl)cccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.