Using C=CCn1c2c(c3ccccc31)CCN(C(=O)OC(C)(C)C)C2, CN(C)C=O to produce CC(=O)Cn1c2c(c3ccccc31)CCN(C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.