Using Cc1c(C)n2nnnc2c2nc(CCl)n(CCCCN)c12, O=C=NC1CCCCC1 to produce Cc1c(C)n2nnnc2c2nc(CCl)n(CCCCNC(=O)NC3CCCCC3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.