Using CCOC(=O)c1ccc2c(ccn2-c2ccc(OC3CCN(C(=O)OC(C)(C)C)CC3)cn2)c1, CC(C)C(N)=NO to produce CC(C)c1noc(-c2ccc3c(ccn3-c3ccc(OC4CCN(C(=O)OC(C)(C)C)CC4)cn3)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.