Using CC1Oc2ccc(CCN(Cc3cccc(Cl)c3)C(=O)OC(C)(C)C)cc2N=C1N to produce CC1Oc2ccc(CCNCc3cccc(Cl)c3)cc2N=C1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.