Using O=Cc1ccccc1, Cc1ccc(NC2CCN(C(=O)OC(C)(C)C)CC2)c(N)c1 to produce Cc1ccc2c(c1)nc(-c1ccccc1)n2C1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.