Using C[O-], Cc1c(CCc2ccc3nc(N)oc3c2)nc2cc(CCl)ccn12 to produce COCc1ccn2c(C)c(CCc3ccc4nc(N)oc4c3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.