Using COC(=O)Cn1c2c(c3ccccc31)CCN(C(=O)OC(C)(C)C)C2 to produce CC(C)(C)OC(=O)N1CCc2c(n(CC(=O)O)c3ccccc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.