Using S=C1CN=C(c2ccccc2)c2cc(I)ccc2N1, NNC(=O)Cc1ccccc1 to produce Ic1ccc2c(c1)C(c1ccccc1)=NCc1nnc(Cc3ccccc3)n1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.