Using COC(=O)c1cnccc1N1CCC(COc2ccc3c(c2)CN(C(=N)N)CC3)CC1 to produce N=C(N)N1CCc2ccc(OCC3CCN(c4ccncc4C(=O)O)CC3)cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.