Using CC(C)(C)OC(=O)NCCCNCCCN, CCCCOc1cc(C=O)cc(C=O)c1 to produce CCCCOc1cc(CNCCCNCCCNC(=O)OC(C)(C)C)cc(CNCCCNCCCNC(=O)OC(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.