Using ClCCl, C=Cc1cc(-n2cnnn2)ccc1CC(=O)N1CCN(CCc2ccc3c(c2)COC3=O)CC1 to produce O=C1OCc2cc(CCN3CCN(C(=O)Cc4ccc(-n5cnnn5)cc4C4CC4)CC3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.