Using OCCn1nc(-c2ccccc2)c2c(Cl)c(-c3ccccc3)nnc21, II to produce Clc1c(-c2ccccc2)nnc2c1c(-c1ccccc1)nn2CCI, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.