Using CN(Cc1cccc2c1C(=O)N(C1CCC(=O)NC1=O)C2=O)C(=O)OC(C)(C)C to produce CNCc1cccc2c1C(=O)N(C1CCC(=O)NC1=O)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.