Using CCCNc1cc(C(=O)OC)ccc1N, CC(C)(C)OC(=O)NCCCCC(=O)O to produce CCCNc1cc(C(=O)OC)ccc1NC(=O)CCCCNC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.