Using CC(C)(C)OC(=O)Nc1cccc(C(=O)O)c1, NCC(O)CN1Cc2ccccc2C1 to produce CC(C)(C)OC(=O)Nc1cccc(C(=O)NCC(O)CN2Cc3ccccc3C2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.