Using CCOC(=O)C=C(c1ccccc1)n1ccc2cc(CCCc3ccc4cccnc4n3)ccc21 to produce O=C(O)CC(c1ccccc1)n1ccc2cc(CCCc3ccc4c(n3)NCCC4)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.