Using CN(CCO)C(=O)c1ccc(C(=C2CCN(C(=O)OC(C)(C)C)CC2)c2cccc3cccnc23)cc1 to produce CN(CCO)C(=O)c1ccc(C(=C2CCNCC2)c2cccc3cccnc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.