Using CC(C)(C)OC(=O)N(CCCCCCCCC1CCCCC1)c1ccc(C(=O)n2ccnc2)cc1, NCC(O)CO to produce O=C(NCC(O)CO)c1ccc(NCCCCCCCCC2CCCCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.